This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When brazing is finished, which of the following valves should be shut off first? a. Acetylene ... (Read 26 times)

asan beg

  • Hero Member
  • *****
  • Posts: 570
on: Jul 24, 2018
When brazing is finished, which of the following valves should be shut off first?
 
  a. Acetylene valve on the tank regulator
  b. Oxygen valve on the tank regulator
  c. Acetylene valve on the torch handle
  d. Oxygen valve on the torch handle

Question 2

Which of the following statements about brazing dissimilar metals is incorrect?
 
  a. Always use a phosphorus alloy to braze dissimilar metals.
  b. Always use a flux, even when one of the metals is copper.
  c. Different metals have different melting points.
  d. Different metals expand at different rates.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tjayeee

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 24, 2018
Answer to Question 1

d

Answer to Question 2

a


asan beg

  • Member
  • Posts: 570
Reply 2 on: Jul 24, 2018
:D TYSM

xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

The functioning of the heart valves and blood flow. The functioning of the heart valves and blood flow.
Valves in a vein. Valves in a vein.
The tools necessary to adjust the valves on an engine with adjustable rocker arms include basic hand ... The tools necessary to adjust the valves on an engine with adjustable rocker arms include basic hand ...
When the propane is shut off, the oxygen sensor should read below 200 mV. When the propane is shut off, the oxygen sensor should read below 200 mV.
In a multiair engine design, the exhaust valves are opened by the exhaust camshaft lobes. Intake ... In a multiair engine design, the exhaust valves are opened by the exhaust camshaft lobes. Intake ...
The evaporative emission control system includes all of the lines, hoses, and valves, plus the ... The evaporative emission control system includes all of the lines, hoses, and valves, plus the ...
Video: Resting membrane potential - electrical polarity and maintenance requirements

For a complete list of videos, visit our video library